CureZone   Log On   Join
Re: To Frostymug
dvjorge Views: 2,246
Published: 7 years ago
This is a reply to # 2,212,978

Re: To Frostymug

Pathogenesis of candidiasis. Immunosuppression by cell wall mannan catabolites.
Podzorski RP1, Herron MJ, Fast DJ, Nelson RD.
Author information
Candida albicans cell wall mannan polysaccharide has an ability to negatively influence cell-mediated immune function. We have attempted to identify the mechanism of this phenomenon by testing the modulatory effects of isolated mannan and the chemical catabolites of mannan on cell-mediated immune function in vitro. We have determined that mannan isolated by complexation with cetyltrimethylammonium bromide (CTAB) is more antigenic than mannan isolated by precipitation with copper and that CTAB mannan does not inhibit lymphoproliferation stimulated by another antigen. We have also determined that oligosaccharides of three sizes, derived by chemical catabolism of CTAB mannan, are not antigenic, but instead are immunoinhibitory. Immunoinhibition does not involve interference with the mitogenic activity of interleukin 2. A similar occurrence of oligosaccharides may be produced by catabolism of mannan in vivo as evidenced by the presence of oligosaccharides of similar size in cell-free supernatant fluids derived from mononuclear leukocytes incubated with tritiated mannan. We propose that catabolites of fungal mannan may contribute significantly to suppression of cell-mediated immunity in candidiasis.

Printer-friendly version of this page Email this message to a friend
Alert Moderators
Report Spam or bad message  Alert Moderators on This GOOD Message

This Forum message belongs to a larger discussion thread. See the complete thread below. You can reply to this message!


Donate to CureZone

CureZone Newsletter is distributed in partnership with

Contact Us - Advertise - Stats

Copyright 1999 - 2021

2.297 sec, (1)